Valentin was born in Boulogne (92) in 1945. From 1963 to 1968 he studied in Paris: Métiers d’Arts et Beaux Arts. From 1968 to 1972; He creates colorful environments in architecture and paints. Suddenly, he burns his production in a life of wandering. He went back to painting in 1978 with the tubes of gouache of schoolchildren of his children…